RFR: 8318834: s390x: Debug builds are missing debug helpers

[Aleksey Shipilev]

On Wed, 25 Oct 2023 17:26:13 GMT, Andrew Haley <aph at openjdk.org> wrote:

> On s390x only, HotSpot is built by GCC with -ffunction-sections.
> This means that debug helpers such as ps() and pfl() are not available. These helpers are extremely useful in debugging, so it makes no sense to omit them from debug builds.

All right, so this is a fix that is S390X specific. I missed that, I thought we were talking about generic debug builds. Okay then!

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16365#pullrequestreview-1700055141